Kant's Theory of Action

Richard McCarty

Abstract

The theory of action underlying Immanuel Kant's moral theory is the subject of this book. What “maxims” are, and how we act on maxims, are explained here in light of both the historical context of Kant's thought, and his classroom lectures on psychology and ethics. Arguing against the current of much recent scholarship, a strong case is made for interpreting Kant as having embraced psychological determinism, a version of the “belief-desire model” of human motivation, and a literal, “two-worlds” metaphysics. On this interpretation, actions in the familiar, sensible world are always effects of p ... More

The theory of action underlying Immanuel Kant's moral theory is the subject of this book. What “maxims” are, and how we act on maxims, are explained here in light of both the historical context of Kant's thought, and his classroom lectures on psychology and ethics. Arguing against the current of much recent scholarship, a strong case is made for interpreting Kant as having embraced psychological determinism, a version of the “belief-desire model” of human motivation, and a literal, “two-worlds” metaphysics. On this interpretation, actions in the familiar, sensible world are always effects of prior psychological causes. Their explaining causal laws are the maxims of agents' characters. And agents act freely if, acting in an intelligible world, what they do there results in their having the characters they have here, in the sensible world. In this way Kant's theory of action coordinates thoroughgoing causal determinism in the natural world with human freedom and moral responsibility. This line of interpretation is fruitful also for addressing some familiar problems in Kant's moral psychology. It allows explaining actions caused by admirable inclinations as “virtuous”, without requiring the motive of duty behind every morally praiseworthy action.

End Matter

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